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violent cities in america to see how technology can help us fight crime? >> that's right. i went to oakland, california which has the 5th highest crime rate and nearby richmond which is among the top 20 to look at some very innovative technology that they are looking to increase the eyes and ears of the police force on the street. so let's have a look these are streets. >> i am not violating any law. >> in two san francisco bay area cities known for crime oakland and rimmond westbound. >> but now, police in both of these cities have high tech back-ups. electronic ears listening for gunfire, 24/7. he lectronic eyes monitoring police and perps alike. even the cars on this street. officer chris tong is patrolling the streets of richmond that. ding you hear is the sound of a license plate reader. watch what happens when he passes a stolen vehicle. >> it's just triggered on an unoccupied vehicle. turn around and take a look what we've got here. >> the unoccupied vehicle was a stolen nissan sentra caught by the high-speed infrared camera, a series of computer algorithims identified the
yahoo and now microsoft have expressed concerns over surveillance and are changing encryption technology they employ to protect their customers. public outcry is another motivating factors into companies putting up this latest firewall. a recent abc "washington post" policies -- [ technical difficulties ] [ technical difficulties ] nsa spying is changing the way governments approach security too. brazilian companies are forcing foreign companies to redesign their servers to ensure all brazilian data does not leave the country. >> translator: i think this is an important moment. we are taking this attitude of wanting increased internet privacy in line with what we have already done, advocating for increased privacy. all recognized organizations concerned with this matter of governance and by our own work here in recent years. >> meanwhile in germany, the foreign minister demanded an explanation from visiting congressmen as well as a clear path forward in dealing with the american surveillance program. >> we know that trust has been lost, and we work together on rebuilding this trust. this
head-to-head combat and cutting edge technology that can help to detect a concussion before it's too late. >> lindsay moran is an ex-c.i.a. operative. she was packaging that can one day replace polysterene. rachelle oldmixon specialises in behaviours. i'm phil torres, i study insects in peru. that's our team. let's do some science. ♪ music ] >> hi, guy, welcome back to "techknow." i'm phil torres, with rochelle, kyle and lindsay. kyle, the nfl paid over three-quarters of a million to settle a lawsuit. what was it about. >> there's a focus on the concussion problem. the nfl has thousands of place, and millions of players in youth and challenge football. i went to virginia tech to look at technology to test helmets and track hits on college and youth players. let's take a look. . >>> homecoming in the heartland. this is cornhusker county. nebraska university, the epicentre of college football. >> first big win. >> along with the tradition of football - come the hits. cheer cheer >> big hits like this one in front of our cameras. no one knows how hard the hits can be better than blak
disputing now he was claimed. >>> how schools are using technology to help students overcome severe disabilities to gain an education. >> welcome back, recordings of calls made to 911 during the sandy hook massacre will be made public on wednesday afternoon. a connecticut judge ruled they should be released. officials in newtown opposed the ruling. 20 children and six adults from killed on december 14th, 2012, when adam lanza opened fire in the school. a report says yasser arafat was not poisoned by radio active polonium, contradicting research by swiss scientists. they said they found high levels of the radioactive substance in the man's body. randall pinkston reports. >> in death as in life yasser arafat is a lightening rod for controversy. nine years after his burial forensic experts in france concluded that yasser arafat was not the victim of polonium poisoning. that contradicts findings by swiss findings and supported the death by polonium 210. >> the french team found traces of poll ownium, but it was naturally caused. >> translation: you can imagine to what extent i'm upset b
with the tract. >> have they talked about technology, right, that may have prevented -- actually prevented the crash, can you tell us about that? >> it's called positive train control, it is a very sophisticating technology. it uses computers, and gps satellite sensors on the track. a central control system. could that have helped here? we asked ntsb board member about that. seven. >> which is a technical name for a system that prevents trains from occupying the same set of tracks. it does provide signals for the train to slow. question don't know if that would have made a difference, we will be looking at that. >> now, congress has man tated that positive train control be on the runs by the end of 2015, but a number of rail lines including the one involved in this accident, have said they will not meet that deadline. lisa appreciate it. this afternoon, it happens we will of course bring you live updates. now to asia. where vice president has voiced strong opposition to the new defense zone in the east china sea. >> we are deeply concerned by the attempt to unilaterally change the status q
and cutting edge combat and cutting edge technology that can help to technology that can help to detect a concussion before detect a concussion before it's it's too late. too late. >> lindsay moran is an ex-c.i.a. >> lindsay moran is an ex-c.i.a. operative. operative. she was packaging that can one she was packaging that can one day replace day replace polysterene. polysterene. rachelle oldmixon specialises in rachelle oldmixon specialises in behaviours. behaviours. i'm i'm phil torres, i study insects phil torres, i study insects in peru. in peru. that's our team. that's our team. let's do some science. let's do some science. ♪ music ] ♪ music ] >> hi, guy, welcome back to >> hi, guy, welcome back to "techknow." "techknow." i'm phil torres, with rochelle, i'm phil torres, with rochelle, kyle and lindsay. kyle and lindsay. kyle, the nfl paid over kyle, the nfl paid over three-quarters of a million to three-quarters of a million to settle a lawsuit. settle a lawsuit. what was it about. what was it about. >> there's a focus on the >> there's a focus on the concussion problem. concus
the rules he has superior technology. then there's goliath, sort of facinating discussion between scientists , ak acromegaly, clearly, goliath can't see properly. he'll he's armed with superior technology, he's up against a lumbering giant. why is he the underdog? >> he should have won. >> he should have won. >> changes all of history, he should have won. >> it suggests to us that we have exaggerated the advantages of giants and underestimated the advantages of small nimble audacious people with cutting edge technology. right? which to anybody living in the 21st century this reinterpretation should not come as a surprise. >> you have actually giving some time to how this applies to other things. a lot of times when an inferior army has taken up against a superior army they've won. >> if you look historically at combats, there is really fascinating research done by ivan toft, a historian. one time's ten times greater than the other. and you look at in those substancsubstance instances, if merrick attacked canada and canada decided to fight a guerilla warfare, in response, i put my moneys on c
's troubled police department. >>> a group of scientists is using 21st century technology to map rome's ancient aqueducts. al jazeera's claudia lavonga gives us an inside look. >> a downward spiral into ancient rome where history meets technology. this group of archaeologists is busy mapping aqueducts built during ancient times. using 3d scanners, and laser beams, they hope to are open up sphwhrshes. >> the exactpathy of many aqueducts is not known. this ancient romans wanted to protect their waterways, by building these underground, preventing enemies from cutting their water supply. >> water in the aqua vigo still flows niezly near the spanish steps. supply ancient rome with water, source 20 kilometers away. more than 2,000 years later it's still in use and yet it's path and structure remain a bit of a mystery. this is where the water flows into some of rome's most famous fountains. a celebration of the abundance of water that allowed imperial rome to prosper and conquer the world. a few miles from the center of rome, the aqueduct still stands, this was one of the ak we deducts mapp
, it's often said if you want to understand the latest piece of technology you should ask a child. but a new survey suggests that there is a price to be paid. let's go back to lauren. >> that's right. children may be one step ahead of their parents when it comes to the latest gadgets but it comes at a cost of traditional skills such as handwriting or spelling. >> it's playtime at this nursery, and these toddlers are exercising their coloring and drawing skills. they're also learning to cut and paste. not just with paper and glue but on computers. with technology being a central part of every day life they need to figure out how to point and click. >> this daycare facility in west london has a special technology course for children once a week. they learn on computers like this. by the time they reach school age they know how to navigate a keyboard and a computer mouse. but there are concerns that the early use of tablets and computers is making it difficult for children to learn tasks like using a pen and pencil and the use of a computer makes it difficult for children to learn ne
you have another person there to remind you of the upcoming situation. >> what about the technology, which might take control of the train if it appears that the engineer isn't responding properly? >> well, positive train control is a system that monitors the engine. there's computers on the engine that communicates with satellites and the signalling systems, they will or should have safeguards. when you go from a high speed section. track to a slow speed corner to a curve. he was doing 82. i think the curve was rated for 30 mph, and so the speed in that area was 70. that would have overcome his lapse or his - the inattention that came across with it, in that time frame. >> do you think changes need to be made now? >> yes, i think they do. these requests for extensions are - would be - especially in the passenger side, are a huge problem, i think. i know the la, where they had that terrible metro accident 25 people killed. they are going be online in a month or so. they'll be testing. there's no reason why the carriers can't develop these processes. these are billion dollar corporat
where she specializes in technology policy. and emma, director of the free expression project. and joy spencer joins us from the digital center for democracy. and katie is assistant edit of slate who has been critical of eraser laws. meg, explain the thought process behind laws like the one we just saw get signed in california. why are these types of laws being proposed? >> things that we are seeing, a general fear, of this permanent record, we're all creating these permanent records, and for adults that starts at an age where there is a level of understanding of how this content is going to be understood and accepted. but a large percent, i think 90% of two-year-olds has an online presence. now we're seeing permanent records starting at a very young age. obviously if they're two years old, it's their parents putting up the content, and it goes on throughout the life of the user. >> generally do you like the idea of what these laws are trying to do? >> i do. i think they're intended to protect the development of kids through this very vital identi identity--identity process that is nat
. >> hassan rouhani described the pursuit of nuclear technology as a definite right, and said that iran has a right to live without sanctions. >>> demonstrators of ukraine are back on the street after reports of a meeting between its president and the russian president vladimir putin. the meetings sparked fears that ukraine would agree to deals with the russians rather than the european union. >> there are reports that there have been deals signed with russia worth $174 million of aid. ukraine needs this money simply to pay its creditors. it's reserves are start to go run low and it is in dire economic circumstances. these reports are unconfirmed yet they spread more angrier gons th angs demonstrators because of the it's president failed to sign a deal with the e.u. and sunday they are planning a big one. they want to repeat the successful mobilization that they had last weekend here. and they desperately need to keep this momentum going because they know if they mail to do that, then president yanukovych may well hang on to power with moscow's help. >> keep it there. we have much more com
the ancient times. using the state of the art technology, they hope to shed light on the obscure network of the underground waterways. >> parts of many aqueducts are not known. the ancient romans want to protect the waterways, preventing enemies from cutting water supplies. most aqueducts did not survive the test of time, water still flows nicely next to the spanish steps. >> the aqueduct was built in the year 19 before christ supplied ancient rome with water. it's in use, and yet the path and structure remain a bit of a mystery. this is where the water flows into some of rome's famous fountains. a celebration of the abundance of water allowing rome to prosper and conquer the world. a few miles from the center of roam. it stands as a symbol of roman ingen eenious. this was one mapped by british archeologists, thomas ashby, who drew the map of the waterways in the 1920s. a starting point for today's archeologists. >> translation: ashby travelled on foot all over, asking locals and farmers for signs. aqueducts. we are continuing his work with the help of modern technology, tracking back 2,
technology to increase productivity. we either workers are working harder for the same output or fewer amount of hours are being worked for the same amount of output. >> richard, could you make a case that people paying a quarter or a buck extra because it helps the niya potts of the world? >> is absolutely does. i think one of the things that the records show and the studies show is that increased minimum wage, in particularly at times like this when there has been so much wage stagnation, and so much pent up demand will lead to increased consumer confidence, increased consumer spending and that in turn translates to additional jobs as more successful economy for everyone. by the way, we can look back in history and see in 1968, for example, the minimum wage in real dollar terms or in fixed dollars terms would be $9.44 now. and the unemployment is less than half of what it is today. the notion that minimum wage destroys jobs is disproved. and when you think about it, the common sense that says people at the lower end of the income spectrum are going to spend the money that they make, that wi
accident and the new technology that could reduce the chance of disaster. on al jazeera america and join the conversation online @ajamstream. >> this isn't a new channel, this is a watershed moment in media for america. >> this entire region is utterly devastated. >> people our here are struggling. >> the fire jumped the highway we took earlier. >> your average viewer want's to actually understand how the health care law is going to help them or hurt them. >> they know they can get extremist bickering somewhere else. >> people say that we're revolutionary. our revolution is just going back to doing the best in journalism. >> this is the place to go watch high quality journalism, period. >> two former police officers are now on trial for beating the -- the beating death of a mentally ill homeless man in california. [screaming. >> the officers are facing charges from involuntary manslaughter to murder in the death of kelly thomas. two years ago, officers were seen on video punching and kicking the man at a bus depot. they say the man had been acting violently. another camera caught the rea
on computers. with technology being in the central part of everyday life, they also need to figure out how to point ant click. this care facility in west london has a special technology course for the children each week. they learn on computers like this. by the time they reach school age they know how to navigate the computer keyboard and the mouse. but it's making difficult for children to learn a simple task of 11ing a pen and pencil, or persevere at new things. own 53% of boys aged five are able to write simple stores or list at the expected level. in girls that number is 69%. the manager here says getting the balance right is essential. >> whether we provide scissors, pencils, felt tip or even brushes to do their painting we are teaching no skills. we are developing them grasping to palm ar grip or prepencil. i would say it's the balance of both. we've got to give children the exposure because technology is going to be their future as well. >> under a new early learning curriculum in the u.k, children are expected to use the range of technology used at home and in school. they are als
's where we are at this point. lisa, transportation experts have talked about technology that may, and we underline that, may have prevented the crash. what can you tell bus that? >> reporter: it's called positive train control, and it essentially takes over the train if the engineer fails to brake or slow down when he should. the ntsb says they have been pushing for this for decades, and they went so far as to saying it could have prevented this crash if it was on this train. it's mandated it's a few years away. >> lisa, thank you. it's political crisis that has changen thailand's capitol for a week. prime minister yingluck shinawatra ordered police to stop battling with anti-government protesters. the majority of the protesters are middle and upper class residents of bangkok who have been fighting with people from poor and rural areas who support the prime minister. now the protesters have accused the prime minister of being a proxy for her brother, former prime minister who was ousted in a coup in 2006. they accuse her government of being corrupt. we have more. >> reporter: it was expe
believes them. >> you have to think about the scale of amazon, if they deploy this technology, they'll do it on a high scale. the technology advances at amazon, and if the faa puts the infrastructure in place, i don't see why it wouldn't. >> an order is boxed in a warehouse, attached to the drone and sent to the delivery address. 5 pounds much weight is allowed. one of the technical issues. >> how do we make them safe, that they can't be hacked and will not fall out of the sky or run into something. >> provided that is ironed out privacy concerns will prop up. it should have a plan that is riggerous. it should articulate to the federal aviation body. >> folks took to twitter to comment. many made light of it. jim priest writes: there's also a parody twitter address for amazon saying: somebody actually did put up one of these yellow notes that they put on twitter saying: drone delivery would have to comply with faa rules. they will not be complete until 2015 as mandated by congress. until then, don't expect a package on your porch coming from the sky. >> even if the faa approves drone stri
and derailed in bridgeport, connecticut. some experts argue that the technology exists and could help prevent deadly accidents like sunday's derailment. jake ward joins us from san francisco with that. jake, what sort of technology are we talking about? >> john, it's called a positive control system. positive train control is where the ntsb i has been pushing for0 years. the combination of gps sensors, sensors in the tracks, control sensors and remote control in the trains to compensate when a driver has been disabled, incapacitated or not paying attention. >> is there any difference between passenger trains and freight trains and the technology that they have? >> well, the difference really has to do with just how incredibly dangerous a train can be depending on what it's carrying. we've seen in new york the dangerous situation where trains are full the people. but even trains without people on board canner dangerous. in 2005 in south carolina, there was a terrible crash in which a tanker full of chlorine basically atomized in the air and a cloud of this poisonous gas caused the evacuation o
and technology. >>> many americans do their investing exclusive italy through mutual funds and retirement plans and some of them are increasingly worried that 401s will not carry them through retirement. some are moving through funds in rand out like a trader buys and sells stocks. this is getting a thumbs up from some investors but a thumbs down from financial investors who guide money. >> she figures she'd need 4 million to have a financially secure retirement. >> top of my list, china, new zealand, africa, antarctica, i want to be able to go freely and not pinch pennies. >> sandy who does not believe social security will be around has been saving money for nearly 20 years. even though she paid close attention to the markets and actively managed the fund she realized the rate her money was going she wouldn't have enough for her golden years. >> i'm not going to save $4 million out of what i don't spend on food and shelter. it's not going to happen. it has to blow. >> in search of moss growth sandy found the service called horizon. gives clients customized molly trading advice for retirement p
and technology industry. the story now from the steel city. sow much -- leafs his home, built on old industry and sets out for technology zone in the city where tax rates are low, and creativity is high. there's reasons to love pittsburgh, and then with that culture, and that rich thans' here, there's reasons to stay. it's the pittsburgh miracle. market forces weren't going to replace the steel industry. the city clawed back. >> i cannot recall pittsburgh ever saying that we want to be like some place else. two region has said what do we need to do to make ourselves better. that fits our needs. the history of industry and research, as well as business magnets loyal to their hometown, helped them become a leadner healthcare and technology. >> successful reinvention through building on what you have. >> what exactly is being celebrated? the economic indicators don't show success, so much as a lack of failure. pittsburgh rates 50 second of the u.s.' 100 largest cities. based on job growth, unemployment, gdp, and home prices. the narrative reveal as failure of imagination among local and national
have a fair amount of technology. it's going to be a showcase of environmental and green technology. and request respect to the blow propulsion they're electronic motors and we would require 100 bhaise100based on our tonnage. we are going to have incinerator toilets and we'll be very green and we'll be showcasing this green nool technology as we circumnavigate the globe. >> what is the likelihood that this is going to happen? that you will be able to circumnavigate the globe and this pr project will get off the ground 1 $10 billion is the cos. how much money have you raised and how likely is it that this will happen? >> i have been asked that a number of times. >> needless to say we have gone public a week ago needless to say it has not come with major capital at this point rchlts. point. th project was could b conseeme5 years ago. he camthey came up with the idea floating city. there was a core of us going around the world trik trying to promote this. and we tabled the project and mr. nixon passed away and a number of us thought we might try to revitalize his dream in the event tha
technology is changing. what's next in online shopping. >> the woman behind the most read peace ever joining me on her day job. . > >>> . >>> welcome to al-jazeera america, iran's foreign minister is trying to assure leaders in the gulf states that a nuclear deal signed in geneva is in the region's best interest. my colleague sat down with the foreign minister who told him, iran will adhere to the proposed guidelines. >> iran will continue its enrichment at 5%, and iran will continue construction work at iraq. iran has agreed not to do certain activities that fall within the scope of this timetable and this plan of action. we have also agreed to provide specific rather thanniarrangeme eiea for them to continue. in fact, in most cases continue monitoring our activities. >> zar if praised the government of iran for helping iran and other world leaders reach the agreement. a judge sentenced a hospital worker to 39 years in prison for infecting dozens of patients with hepatitis c, david kwykowski admitted to stealing painkillers and replacing them. he was a cardiac technologist before his arrest
the deal for reduced economic sanctions. he describe the pursuit nuclear technology was, quote a definite and feels that iran has the right to live without sanctions. >> china is on high alert. the "world health organization" says since march of this year there has been a search for the bird flu in hong kong. >> when there is an infection. the infection is very serious. >> that's why hong kong has shut down it's poultry markets. while will is no evidence that the h 7 n 9 strain spreads from human to human. there are fears that i there isa potential for a pan democrat. >> okay. they're taking this very seriously. this strain of influenza of birds often does not make the birds sick. you can't follow the sick. >> i see the front lines of vaccine research for the strain over in china funded by the national institute of health there is a team of a dozen doctors and scientists working to find a real vaccine to treat people around the world. >> dr. katherine edwards joined that search. >> the chinese were very good about sharing the virus with the with who and with the cdc so we could begin to
responsive. >> news organizations will pay for access. drone technology is tremendously cheaper. the model i use is only a few hundred dollars, it can be flown with a mobile app. the point of entry as which a journalist can figure how to use it is very low and the cost very low. >> journalists armed with available drones have already run into the long arm of the law. in june, a africa newsman was arrested. >> in august with, police in switzerland were caught by a photographer. in both cases, journalists were criticized for chasing famous faces. given that the media are often accused of being in the private moments of the famous, where do the paparazzi get these? they already have them. there are laws from meeking up to someone's windows --o9[kv bay of rainbokenneth bae kennet schiff tÑ >> hello, welcome to al jazeera america. i'm jonathan betz in new york. merrill newman is back on u.s. soil. the korean war veteran has his long-awaited homecoming after being detained in north korea. >> cheers greet french troops in the central african republic. >> finally as a family we are humbled by the m
church. for years the national transportation safety board wants technology to prevent derailments caused by excessive speed and in 2008 congress passed a law giving railroad until 2015 for positive control systems and they are designed to prevent human error which is the cause of 40% of train accidents. but since they are pretty expensive and a bit complicated to install, railroads want to push back the deadline by 5-7 years. but metro north is actually in the process of installing such a system and currently it does have an automatic train control system in place which allows the train to apply the brakes even if an engineer does not respond to an excessive speed alert. that train was headed to new york's grand central terminal where al jazeera's jennifer glass is covering the delays. jennifer do you have any idea when the trains will be backup and running? >> no, morgan, we don't. we know the transit authority will want to get them running as soon as possible because it's the second biggest line in the country and 26,000 on the hudson line which was effected but metropolitan are expect
, hey, we need more work? >> technological we haven't had many issues. what is critical for us is educating the consumer about how healthcare works, how health insurance works, and how the tax credits work. because that's what makes somebody a knowledgeable consumer. that's what we want. that's what we need when people come on down site. >> that depends on advertising, promotions and getting people to go to the site in the first place. are the numbers on the connecticut site what you thought would be? >> they are, but what is past is past. we did fine the last couple of months, but we're looking for december to get us up over 60,000 members if we can. because at the end of the year, before the january 1st time frame. so yeah, what's past is hopefu hopefully prologued for us. but december is going to be very busy. >> what is the information that consumers should have on hand when they go to the connecticut website and where do consumers run into trouble with just their own information? >> gee, that's a great question. understanding about your family make up, when i say that, soc
. we just need people now that we are getting the technology fixed we need to go back and take a look at what is actually going on. because it can make a difference in your lives. and the lives of your families. >> so the president once again outlined tributes we have heard many times before. you can stay on your parents policy until you are 26. you may not be barred from insurance if you have pre-existing conditions. closing the gap for seniors. the president trying to get back on message and sk divert the pus public's attention. >> what are the critics saying. the critics are not nullified. john bayeonmany times the insure companies are not gettinget correctcorrect levels in about m if they are getting any information at all. you cathe 41 million americans o have got without insurance and some 7 million that the administration wants to sign up on healthcare.gov by next march that final deadline, those folks are very concerned watching closely as well. >> mike at the white house, thanks very much. >> okay. >> right now we have a major snow event that is going on across the northern t
ambassador says drone technology is becoming commonplace, not much more sophisticated than a toy model aircraft. he believes the u.n. will use many more of them. >> translation: other missions are saying, "we will need drones that would improve protection of soldiers to see if threats are out there and ensure protection of civilians." >> for now the u.n., and the drones in the congo are a one off. their effectiveness is being closely monitored. >> the democratic republic of congo has claimed close to 300 lives, some as a direct result because of disease and malnutrition. the vatican is refusing a request about clenchy sexually abusing children. a survey was sent asking about details of abuse cases. the vatican said such information is confidential. the holly seer will not reveal the information unless requested by government or state for league at processing proceedings. >>> pope francis will meet with the cardinal he picked to help reform the church. it's the second day of church. a church spokesperson says they are working on an indepth revision. six continents are represented on the
't want to put you in handcuffs. handcuffs. >> now the innovative technology >> now the innovative technology that can spot a stolen car that can spot a stolen car parked in the middle of a city parked in the middle of a city block. block. >> there were multiple gunshots fired. >> there were multiple gunshots fired. >> it can track a gunman >> it can track a gunman thousands of miles away. thousands of miles away. >> if you can track it then you >> if you can track it then you can predict it. can predict it. >> this isn't a new channel, >> this isn't a new channel, this is a watershed moment this is a watershed moment in media for america. in media for america. >> this entire region is utterly >> this entire region is utterly devastated. devastated. >> people our here are >> people our here are struggling. struggling. >> the fire jumped the highway >> the fire jumped the highway we took earlier. we took earlier. >> your average viewer want's to >> your average viewer want's to actually understand how the actually understand how the health care law is going to help health care law i
will accept bit coin as payment because it makes more sense. it's a space company, and modern technology but it begs the question will we see bit coin as a frequently accepted mode of payment in the future? >> i think we could. when you have the sale signal and it's faster and more security than a credit card payment but it's a matter of having those things in place and having people understand how it all works. >> do you think it will be technology that you can make this transfer very quickly and a simple thing to do? >> oh, yes. it's that way right now but the matter is how universal it is. how often have people heard of it, accept it and willing to take it to their business. right now that's the limiting factor. >> with when bit coin or when you started your travels bit coin was worth $100. right now it's inflated. there is a big bubble or it may not be a bubble but it's over $1,000. do you ever think, hum, maybe i should have saved that bit coin? >> i don't because really i went in this wanting to learn more about about it and the rise in valley just begs the question is this viable
jazeera, kabul, afghanistan. >> the world's biggest technology companies are demanding to u.s. surveillance laws. they have written an open letter to president obama and they say the government needs to preserve people's trust in the internet. what are they demanding and are they proposing reforms. >> reporter: that's a good question, but first what they're demanding from the u.s. government is five principles to be respected. the core principles is the end to the mass data collecting. we've learned from edward snowdon is the collecting and storing. they say that has to end. there has to be more of a legal framework and more accountability and transparency about these operations. they're very worried. these internet companies say they're worried as a result customers around the world simply aren't going to use their services if there is going to be a direct line to the government. as you suggested there are questions that aren't addressed. for stars, why do these companies collect so much information about us in the first place. maybe if they didn't collect so much informat
to discuss amazon's vision for drone technology is tech crunch writer, alex wilhelm. great to speak to you. what do you think about this? what's the potential here? the applications? is this fundamentally down the road a few years a game changer? >> yeah. well, they are very confident this will happen. you have to realize the scale of amazon. they don't do things in small ways. if they are going to deploy this, they are going to do it on a wide scale. presuming the technology advances as it has internally at am zon and the f.a.a. gets it in place, i don't see how this doesn't come very large in about five years. >> how about some of the issues here, the drawbacks, the idea of hacking into those things? those things falling out of the sky, liability. >> fear mongering. >> what do you thing? >> amazon is a smart company. they built awv, the backbone of much of the internet. i am pretty sure they can build a drone that can't be hacked. these are small issues compared to what technology could do for consumers. >> usual not worried about this thing being hacked by one of us? you are worried abo
, modern technology. it begs the question of will we see bitcoin as a frequently accepted mode of payment in the future? >> i think we could. when the infrastructure is in place and the merchant accepts it, it's more security than a credit card payment. it's a matter of having those things in place and having people understand how it works. >> do you think there will be the technology, you can make these transfers and it's simple to do? >> it's that way right now. again, the matter is how universal it is, how often people have heard of it, accept it and are willing to take it for their business. right now, that's the limiting factor, not the technology, itself. >> when bitcoin or when you started your travels, bitcoin was worth about $100. right now, it's inflated. there is a big bubble going on. it may be a bubble, but it's over a thousand dollars. did you ever think maybe i should have saved that bitcoin? >> i don't because really, i went into this wanting to learn more about it. the rise in value of bitcoin just begs the question even more: is this viable as a currency if it's rising
and farmers for signs. aqueducts. we are continuing his work with the help of modern technology, tracking back 2,000 years of history. >> a history that runs through the backbones of the roman empire. fight. >> our digital producer is here. wa j. >> huge feedback today. middle school i ate exclusively pizza, french fries and cookies for school lump. it was awesome. i don't know if he's being sarcastic . another viewer, our son attends a technical high school. there is a culinary program. the food served there is best than most food in the country and most people don't have that. >> yes, one staffer said that he could opt for whole plate of french fries for lunch. >> we want to serve great food, but we want to serve great food that they're eating because they know academics success is tied in to the nutritional choices as wha the choices we make every day. >> the school lunch program is the country's second largest foot an food nutrition program. they creased the availability of fruits, vegetables whole grains while reducing sodium and certain fats. some schools are turning to sa
transportation experts have been talking about this technology that may have prevented the crash. can you tell us a little bit more about that. . >> good morning, stephanie. it's called positive train control. it's a safety system that congress has mandated for the railroads. it is supposed to be in place by the end of 2015. it is partially a computer system, but it uses gps, and senators on the train and tracks. we talked with ntsb board member earlier today about this system. >> positive train control, which is a -- a technical name for a system that prevents trains from occupying the same set of tracks. it does provide signals for the train to slow. we don't know if that would have made a difference in this accident. we'll certain be looking at that. >> this is a very complicated and expensive system to install. metro north which ran the train has already told the federal government it will not make the 2015 deadline. it wants an extra three years. so stephanie any system like this is still a ways away. >> lisa, meanwhile the investigation continues. you mentioned speed is a factor. what is th
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